John Guest Tempering Valve

John Guest Tempering Valve. Intended for caravan and RV plumbing in Australia and New Zealand,  the John Guest Tempering Valve is designed to accurately regulate the temperature of water for activities such as showering,  bathing and hand washing.


$119.95 incl. GST

In stock

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SKU 622-2014 Category


John Guest 12mm Tempering Valve
The John Guest Tempering Valve has been specifically designed and manufactured Caravan and RV use.
This valve uses 12mm Push-On connections for its hot and cold water and mixed water outlets and is pre-set to deliver a temperature of 50 degrees C.


  • Regulates the temperature of water
  • 1 year warranty.


  • Model: HEAT155012-IP, 042586, Replaces 12TMV, 800-06902
  • Brand: John Guest
  • Cold Water Supply Temperature: 5 Degrees – 25 Degrees
  • Hot Water Supply Temperature: 55 Degrees – 80 Degrees
  • Set Temperature: 50 Degrees
  • Accuracy of Outlet Temperature: +/- 3 Degrees
  • Maximum Working Pressure (static): 16 Bar (1600Kpa)
  • Maximum Working Pressure (dynamic): 5 Bar (500Kpa)
  • Minimum Flow Rate: 5.0L/min
  • Shipping Weight: 190 grams.
  • Shipping Dimensions: 18 cm x 18 cm x 6 cm.
  • AS/NZ 4020 (Water Contact Approval)


  • 1 x John Guest Tempering Valve


Please ensure that this product is installed by a Licensed Technician and compliant with Australian Standards, as improper installation can lead to serious injury or death.

Additional information

Weight 0.4 kg
Dimensions 12 × 12.5 × 4 cm
Manufacturer Part Number


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Product Availability

Warehouse only

Warehouse only products are stocked in our off-site warehouse only, and require transfer to our Showroom for collection. If you wish to visit us in store to purchase one of these products, please contact us prior to organise a transfer. Please note that transfers are available for purchases, not for viewing purposes. Transfers occur daily.

Available in-store

Products marked as available in store are stocked in our Showroom at 33 Fishermans Road, Kuluin. Some products may be out of stock at the time of your visit, so please confirm stock availability prior.

Display available

We have a small display of marked products only in our Showroom.

Dropship Item

Products marked as dropship items are sent direct from the Manufacturer. This can add an additional 1-3 days processing before your order is despatched.

Please ensure your shipping details are correct when placing an order. We will always endeavour to include a tracking number for your order, however with dropship items this is not always available.

Please contact us if you have any questions or concerns about the shipping of this product.

Made to Order (MTO) Item

Products marked as made to order are manufactured specifically for your order by the Manufacturer. 

If you require an ETA on these items, please contact us prior to placing your order.

IMPORTANT: We are unable to approve returns or refunds on MTO items.

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